<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
	<xs:import namespace="a" schemaLocation="a.xsd" />
	<xs:import namespace="b" schemaLocation="b.xsd" />
	<xs:element name="doc">
		<xs:complexType>
			<xs:sequence maxOccurs="3">
				<xs:element ref="e" minOccurs="0" maxOccurs="1"/>
				<xs:any namespace="##any" minOccurs="0" maxOccurs="unbounded"/>
				<xs:element name="e" type="xs:string" default="2" minOccurs="0" maxOccurs="2"/>
			</xs:sequence>
		</xs:complexType>
	</xs:element>
	<xs:element name="e" type="xs:string" fixed="1"/>
</xs:schema>